Gambarlah 2x-10 y-20=0

Penyelesaian
2X - 10y - 20
= 2X - 10 y = 20

X = 0
2x - 10y = 20
2 (0) - 10y = 20
-10y = 20
y = 20 : -10
y = -2

Y = 0
2x - 10y = 20
2x - 10(0) = 20
2x = 20
x = 20 : 2
x = 10

Jadi ada di titik ( 10, -2)